WordReference Random House Unabridged Dictionary of American English © 2020
Indian paintbrush, 
  • Plant Biologyany of several semiparasitic plants belonging to the genus Castilleja, of the figwort family, as C. linariaefolia, of the western U.S.: the state flower of Wyoming.
    • 1890–95, American.

    'Indian paintbrush' also found in these entries (note: many are not synonyms or translations):
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